Bjorn’s Corner: New engine development. Part 26. New versus old, Trent 1000 vs. XWB

September 27, 2024, ©. Leeham News: We do an article series about engine development and why it has longer timelines than airframe development. It also carries larger risks of product maturity problems when it enters service than the… Read More

A350-1000 or 777-9? Part 4

Subscription required By Bjorn Fehrm May 2, 2024, © Leeham News: We are doing an article series comparing the capabilities of the Airbus A350-1000 and the Boeing 777-9. We looked at the development history of the aircraft and… Read More

A350-1000 or 777-9? Part 3

Subscription required By Bjorn Fehrm April 25, 2024, © Leeham News: We are doing an article series comparing the capabilities of the Airbus A350-1000 and the Boeing 777-9. We looked at the development history of the aircraft and… Read More

Rolls Royce tackles Trent engine issues as profits take flight

By Tom Batchelor February 23, 2024, © Leeham News:  The turnaround at Rolls Royce is well-underway as the company revealed a more than doubling of its annual profit – ahead of expectations – at its full year 2023… Read More

Pontifications: One “good” engine in future for RR, faulty business strategy and model: JP Morgan

Feb. 7, 2023, © Leeham News: Our report last week about Rolls-Royce’s new CEO characterizing the company in dire straits is just part of the story. Shortly before that, on January 18, JP Morgan issued a 38-page dissection… Read More

Pontifications: New Rolls-Royce CEO paints a dire picture; all scenarios on table at Airbus

Jan. 31, 2023, © Leeham News: Rolls-Royce’s new CEO says the engine group is a “burning platform,” failing to give returns. Tufan Erginbilgic, who joined RR as CEO on Jan. 1, said this is the “last chance” to… Read More

Engine Development. Part 8. Throttle push or not?

Subscription Required By Bjorn Fehrm Introduction October 6, 2022, © Leeham News: The early years of 2000 saw new engine programs launched for the new Boeing 787 Dreamliner and Airbus response, the A350. Substantial differences in the life… Read More

Engine Development, Part 1: Launch to Entry into Service

Subscription Required By Vincent Valery Introduction   Pratt & Whitney Geared Turbofan Aug 18, 2022, © Leeham News: LNA analyzed the evolution of commercial aircraft development timelines last month. The time between a program launch and entry into service… Read More

The Ultrafan Project

Subscription Required By Vincent Valery Introduction   June 21, 2021, © Leeham News: Rolls-Royce launched the Ultrafan in 2014, a project to develop next-generation geared turbofan engines. The engine OEM has been working on that project ever since. The… Read More

The A350, Part 9: The A350-1000 versus 777-300ER

Subscription Required By Bjorn Fehrm Introduction   March 11, 2021, © Leeham News: Last week, we started analyzing the Airbus A350-1000 and compared it with the Boeing 777-300ER. We now fly the airplanes on a demanding route, close to… Read More